const Mock = require("mockjs");
const { param2Obj } = require("./utils");

const user = require("./user");
const role = require("./role");
const article = require("./article");
const search = require("./remote-search");

const mocks = [
    ...user,
    ...role,
    ...article,
    ...search
];

// for front mock
// please use it cautiously, it will redefine XMLHttpRequest,
// which will cause many of your third-party libraries to be invalidated(like progress event).
function mockXHR() {
    // mock patch
    // https://github.com/nuysoft/Mock/issues/300
    Mock.XHR.prototype.proxy_send = Mock.XHR.prototype.send;
    Mock.XHR.prototype.send = function() {
        if (this.custom.xhr) {
            this.custom.xhr.withCredentials = this.withCredentials || false;

            if (this.responseType) {
                this.custom.xhr.responseType = this.responseType;
            }
        }
        this.proxy_send(...arguments);
    };

    function XHR2ExpressReqWrap(respond) {
        return function(options) {
            let result = null;
            if (respond instanceof Function) {
                const { body, type, url } = options;
                // https://expressjs.com/en/4x/api.html#req
                result = respond({
                    method: type,
                    body: JSON.parse(body),
                    query: param2Obj(url)
                });
            } else {
                result = respond;
            }
            return Mock.mock(result);
        };
    }

    for (const i of mocks) {
        Mock.mock(new RegExp(i.url), i.type || "get", XHR2ExpressReqWrap(i.response));
    }
}

module.exports = {
    mocks,
    mockXHR
};
